Work-Energy
and Momentum
Part I, Theory
• In your notebook or on a piece
of scratch paper, sketch free-body diagrams of a cart traveling at
constant velocity on a horizontal track, a cart at rest on
a horizontal
track, and the two carts when they collide. Label the
forces. Friction is negligible.
• Write out the work-energy theorem and the principle of
conservation of momentum in words and equations.
When you are satisfied, open the worksheet and answer Questions 1 and
2. Check with your lab instructor to confirm that your free-body
diagrams, statements, and equations are correct. Then move on to
Part II.
Back to the Overview
On to Part II
Part III
Worksheet
Index